CDK4AVR stands for Cross Development Kit for Atmels AVR RISC processor serie
and should you support with a comprehensive Assembler and C development
environment for even this processor familie under Linux or similar host systems.

Aesalon is a program behaviour visualization tool. Instead of static analysis on source code or performance profiling, other aspects such as thread interaction, mutex/semaphore status, dynamically-allocated memory, and file/socket I/O are visualized.

Amoeba Debugger is a heterogeneous multiprocessor GDB with an, optional, Eclipse frontend. It can debug multiple CPU target architechtures, currently ARM and x86, and ABI's, simultaneously, with all the targets in a single session.

The ArrayDebugView-Add-In extends Visual Studio and adds graphical view capabilities to the debugger. You can plot the data from any array by specifying a pointer expression and a length. Features: Zoom-function, a cursor, saving to a file.

AutoIt-Recorder is a tool written in C++ on
.NET for windows. It aids the AutoIT (seperate project)
developer in creating test scripts. These test scripts can
be fed into the AutoIT tools to help the automation and
testing of windows applications.

Axes Programming Language (programming is done by defining independent threads and setting priorities in multiple dimentions… when you want to make a change in the code, you just have to introduce another thread)

After a program has been thrown into the world in binary form, it can boomerang back as source code. The Boomerang reverse engineering framework is the first general native executable decompiler available to the public.

Brainfuck is an IDE (Integrated Development Environment) for the Brainfuck programming language. It provides the user a comfortable way to develop, debug, interprete or compile code. Additionally a plugin-framework is provided to integrate extensions.

BuGLe combines a graphical OpenGL debugger with a selection of filters on the OpenGL command stream. The debugger allows viewing of state, textures, framebuffers and shaders, while the filters allow for logging, error checking, video capture and more.